157 static inline long __arch_read_trylock(arch_rwlock_t *rw)  in __arch_read_trylock()  argument
171 	: "r" (&rw->lock), [eh] "n" (eh)  in __arch_read_trylock()
181 static inline long __arch_write_trylock(arch_rwlock_t *rw)  in __arch_write_trylock()  argument
195 	: "r" (token), "r" (&rw->lock), [eh] "n" (eh)  in __arch_write_trylock()
201 static inline void arch_read_lock(arch_rwlock_t *rw)  in arch_read_lock()  argument
204 		if (likely(__arch_read_trylock(rw) > 0))  in arch_read_lock()
209 				splpar_rw_yield(rw);  in arch_read_lock()
210 		} while (unlikely(rw->lock < 0));  in arch_read_lock()
215 static inline void arch_write_lock(arch_rwlock_t *rw)  in arch_write_lock()  argument
218 		if (likely(__arch_write_trylock(rw) == 0))  in arch_write_lock()
223 				splpar_rw_yield(rw);  in arch_write_lock()
224 		} while (unlikely(rw->lock != 0));  in arch_write_lock()
229 static inline int arch_read_trylock(arch_rwlock_t *rw)  in arch_read_trylock()  argument
231 	return __arch_read_trylock(rw) > 0;  in arch_read_trylock()
234 static inline int arch_write_trylock(arch_rwlock_t *rw)  in arch_write_trylock()  argument
236 	return __arch_write_trylock(rw) == 0;  in arch_write_trylock()
239 static inline void arch_read_unlock(arch_rwlock_t *rw)  in arch_read_unlock()  argument
251 	: "r"(&rw->lock)  in arch_read_unlock()
255 static inline void arch_write_unlock(arch_rwlock_t *rw)  in arch_write_unlock()  argument
259 	rw->lock = 0;  in arch_write_unlock()